interface font size too small

[Wolf Rogner]

$ uname -a
Linux mbpr13b 4.13.0-15-generic #16-Ubuntu SMP Wed Oct 4 21:59:25 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

The font size of the interface is too small and hardly legible (see attached screen shot)

starting with
QT_SCALE_FACTOR=2 virtualbox

makes the screen readable but this scaling is carried into the guest systems and there the interface is not readable any more (either fonts are to big or jaggy).

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: virtualbox 5.1.28-dfsg-2
ProcVersionSignature: Ubuntu 4.13.0-15.16-generic 4.13.4
Uname: Linux 4.13.0-15-generic x86_64
ApportVersion: 2.20.7-0ubuntu2
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Thu Oct 5 21:11:23 2017
InstallationDate: Installed on 2017-09-05 (30 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170902)
SourcePackage: virtualbox
UpgradeStatus: No upgrade log present (probably fresh install)

[Wolf Rogner (war-rsb)]

The size of the small font is about 1.2mm the bigger fonts are approx. 4mm

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.